2018 LK

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3165990464 ± 1.24e-07
Semi-major axis (a)1.0675777990 AU ± 3.36e-08
Inclination (i)13.93428617° ± 6.56e-06
Long. of Asc. Node (Ω)85.15354247° ± 2.10e-06
Arg. of Perihelion (ω)279.93278193° ± 6.97e-06
Mean Anomaly (M)202.58967308° ± 1.06e-04
Mean Motion (n)0.8935378946°/day ± 4.22e-08
Perihelion dist (q)0.72958369 AU ± 1.34e-07
Aphelion dist (Q)1.40557191 AU ± 1.40e-07
Orbital Period1.10306042 yr ± 5.21e-08
Physical Parameters
H (abs. magnitude)21.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.350″
Uncertainty0
Orbit TypeApollo
MOID0.000563 AU
Observations Used176
Radar Obs Used3
Oppositions1
Arc Total2018-2021
First Observation Used2018-04-16
Last Observation Used2021-01-02
Observations (185)
Date Type RA Dec Mag Band Observatory
2018-06-10 01:14:16 C 19 51 25.55 +07 38 16.8 V 204
2018-06-10 22:11:59 C 20 06 48.79 +07 06 10.8 U G34
2018-06-10 22:13:17 C 20 06 49.84 +07 06 11.3 U G34
2018-06-10 22:15:51 C 20 06 51.89 +07 06 02.9 U G34
2018-06-11 00:07:14 C 20 08 23.90 +07 02 42.0 V J95
2018-06-11 00:09:41 C 20 08 25.92 +07 02 37.5 V J95
2018-06-11 00:12:48 C 20 08 28.44 +07 02 32.0 V J95
2018-06-11 00:16:09 C 20 08 31.18 +07 02 26.0 V J95
2018-06-11 08:22:21 C 20 15 47.10 +06 47 21.4 U I52
2018-06-11 08:26:22 C 20 15 50.70 +06 47 13.1 U I52
2018-06-11 08:28:34 C 20 15 52.67 +06 47 08.4 U I52
2018-06-11 08:28:50 C 20 15 52.90 +06 47 07.9 U I52
2018-06-11 23:21:42 C 20 31 30.87 +06 09 35.9 V J69
2018-06-11 23:27:21 C 20 31 37.28 +06 09 20.4 V J69
2018-06-11 23:33:00 C 20 31 43.71 +06 09 05.0 V J69
2018-06-11 23:38:39 C 20 31 50.13 +06 08 49.7 V J69
2018-06-11 23:44:19 C 20 31 56.57 +06 08 33.9 V J69
2018-06-12 00:30:05 C 20 32 48.48 +06 06 25.4 V Z80
2018-06-12 00:32:10 C 20 32 50.87 +06 06 19.2 V Z80
2018-06-12 00:34:58 C 20 32 54.11 +06 06 11.7 V Z80
2018-06-12 00:37:25 C 20 32 56.88 +06 06 05.5 V Z80
2018-06-12 00:39:30 C 20 32 59.28 +06 05 59.1 V Z80
2018-06-12 00:41:36 C 20 33 01.65 +06 05 53.0 V Z80
2018-06-12 00:43:41 C 20 33 04.04 +06 05 47.5 V Z80
2018-06-12 00:45:47 C 20 33 06.47 +06 05 41.5 V Z80
2018-06-12 00:47:53 C 20 33 08.92 +06 05 35.4 V Z80
2018-06-13 09:29:56 C 21 22 42.88 +03 58 00.9 U G96
2018-06-13 09:37:27 C 21 22 56.74 +03 57 21.4 U G96
2018-06-13 09:44:59 C 21 23 10.66 +03 56 41.9 U G96
2018-06-13 09:52:31 C 21 23 24.60 +03 56 02.0 U G96
2018-06-14 08:50:22 C 22 15 54.46 +01 25 54.1 U I52
2018-06-14 08:50:43 C 22 15 55.34 +01 25 51.4 U I52
2018-06-14 08:51:04 C 22 15 56.26 +01 25 48.8 U I52
2018-06-14 08:51:25 C 22 15 57.13 +01 25 46.1 U I52
2018-06-14 09:15:23 C 22 16 59.51 +01 22 39.0 U 703
2018-06-14 09:16:54 C 22 17 03.41 +01 22 26.7 U G96
2018-06-14 09:22:58 C 22 17 19.25 +01 21 39.7 U 703
2018-06-14 09:23:49 C 22 17 21.37 +01 21 32.5 U G96
2018-06-14 09:30:33 C 22 17 39.04 +01 20 39.6 U 703
2018-06-14 09:30:42 C 22 17 39.43 +01 20 38.1 U G96
2018-06-14 09:37:36 C 22 17 57.42 +01 19 43.8 U G96
2018-06-14 09:38:07 C 22 17 58.69 +01 19 40.3 U 703
2018-06-15 01:33:51 C 23 04 46.71 -01 00 57.5 V J95
2018-06-15 01:36:36 C 23 04 55.31 -01 01 23.2 V J95
2018-06-15 01:40:13 C 23 05 06.72 -01 01 57.8 V J95
2018-06-15 01:43:05 C 23 05 15.67 -01 02 25.1 V J95
2019-03-12 15:11:38 C 14 54 39.403 +21 38 28.15 V T12
2019-03-12 15:17:20 C 14 54 39.280 +21 38 33.60 V T12
2019-03-18 12:14:41 C 14 50 28.29 +23 53 30.6 o 695
2019-03-18 12:21:00 C 14 50 28.06 +23 53 36.8 o 695
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-06-11 07:24:00 169209.3506 0.25 Hz 2380 -1 -1
2018-06-11 07:59:00 37751889.14 4 us 2380 -1 -1
2018-06-17 13:10:00 22994660 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)